# achavi - Augmented OSM Change Viewer

Displays [OpenStreetMap](openstreetmap.org) changes based on the [Overpass API](https://overpass-api.de/) [Augmented Delta (adiff)](https://wiki.openstreetmap.org/wiki/Overpass_API/Overpass_QL#Augmented_Delta_between_two_dates_.28.22adiff.22.29) query and the
[Augmented Diff](https://wiki.openstreetmap.org/wiki/Overpass_API/Augmented_Diffs#Contained_data) format.

https://overpass-api.de/achavi/ - production (master)  
https://nrenner.github.io/achavi/ - development, test (gh-pages)

*work in progress*

See [olex](https://github.com/nrenner/olex) repository for OpenLayers-related sources (included as lib/olex.js).

## License

Copyright (c) 2018 Norbert Renner and [contributors](https://github.com/nrenner/achavi/graphs/contributors), licensed under the [MIT License (MIT)](LICENSE)

## Install

Achavi is a pure JavaScript Browser app. It relies on the Overpass API for serving Augmented Diffs.

The project layout is already the runnable web app, there currently is no build. All files and directories are required at runtime,
except readme.md.

## Licenses

* [OpenLayers](http://www.openlayers.org/): Copyright (c) 2005-2012 OpenLayers [Contributors](licenses/openlayers-authors.txt), [2-clause BSD License](licenses/openlayers-license.txt)
* [Underscore.js](http://underscorejs.org/): Copyright (c) 2009-2012 Jeremy Ashkenas, DocumentCloud, [MIT License](licenses/underscorejs-LICENSE)
* [Moment.js](http://momentjs.com/): Copyright (c) 2011-2012 Tim Wood, [MIT License](licenses/momentjs-LICENSE)
* [Yahoo! Secure XSS Filters](https://github.com/yahoo/xss-filters): Copyright (c) 2015, Yahoo! Inc., [Yahoo BSD license](https://github.com/yahoo/xss-filters/blob/master/LICENSE)

* loadinggif-4.gif by http://loadinggif.com/
* [layer-switcher-minimize.png](https://github.com/nrenner/openlayers_themes): Copyright (c) 2010, Development Seed, Inc., [3-clause BSD License](licenses/openlayers_themes-LICENSE.txt)